Foam Bar Stock | McMaster-Carr

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Pressure to Compress 25%

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15 psi to 24.9 psi

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For Use Outdoors

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2,812 Products

Sealing

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Plastic

A lightweight alternative to metal and glass

Carbon

An electrical conductor that’s often used in electronics and sensors

Fabricating and Machining

Prototyping Foam

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)